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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_MEDIA_WEBCONTENTDECRYPTIONMODULE_IMPL_H_
#define CONTENT_RENDERER_MEDIA_WEBCONTENTDECRYPTIONMODULE_IMPL_H_
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/strings/string16.h"
#include "third_party/WebKit/public/platform/WebContentDecryptionModule.h"
namespace media {
class Decryptor;
class MediaKeys;
}
namespace content {
class WebContentDecryptionModuleSessionImpl;
class SessionIdAdapter;
class WebContentDecryptionModuleImpl
: public blink::WebContentDecryptionModule {
public:
static WebContentDecryptionModuleImpl* Create(
const base::string16& key_system);
virtual ~WebContentDecryptionModuleImpl();
// Returns the Decryptor associated with this CDM. May be NULL if no
// Decryptor associated with the MediaKeys object.
// TODO(jrummell): Figure out lifetimes, as WMPI may still use the decryptor
// after WebContentDecryptionModule is freed. http://crbug.com/330324
media::Decryptor* GetDecryptor();
// blink::WebContentDecryptionModule implementation.
virtual blink::WebContentDecryptionModuleSession* createSession(
blink::WebContentDecryptionModuleSession::Client* client);
private:
// Takes ownership of |media_keys| and |adapter|.
WebContentDecryptionModuleImpl(scoped_ptr<media::MediaKeys> media_keys,
scoped_ptr<SessionIdAdapter> adapter);
// Called when a WebContentDecryptionModuleSessionImpl is closed.
void OnSessionClosed(uint32 session_id);
scoped_ptr<media::MediaKeys> media_keys_;
scoped_ptr<SessionIdAdapter> adapter_;
DISALLOW_COPY_AND_ASSIGN(WebContentDecryptionModuleImpl);
};
// Allow typecasting from blink type as this is the only implementation.
inline WebContentDecryptionModuleImpl* ToWebContentDecryptionModuleImpl(
blink::WebContentDecryptionModule* cdm) {
return static_cast<WebContentDecryptionModuleImpl*>(cdm);
}
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_WEBCONTENTDECRYPTIONMODULE_IMPL_H_
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